Normal weather for San Bernardino in July
It's hot in July in San Bernardino with an average temperature of 35°C. Temperatures this month range from a low of 32°C to a high of 38°C. At night, you can expect temperatures between 16°C and 22°C.
According to weather history, there is only 4,5 mm of precipitation in July. The wind speed is around 4 Bft, mostly coming from the West.
San Bernardino in July |
London | ||
|---|---|---|---|
 Average Temperature |
35°C | 23°C | |
 High Temp |
38°C | 27°C | |
| Low Temp |
32°C | 21°C | |
 Total Precipitation |
4,5 mm | 52 mm | |
| Rainy Days |
1 day | 9 days | |
Start of July
The month of July starts in San Bernardino with hot temperatures, averaging around 35°C during the day and nights close to 18°C. You won’t see any precipitation in the first days of the month, it’s all sunny skies.
Since temperatures can differ between day and night, it’s a good idea to dress in layers. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal for the day. In the evening and morning, a T-shirt, light trousers or skirt, and a light jacket are recommended.
Mid-July
By mid-July, the average daytime temperature stays the same at 35°C, with nights close to 20°C. Not much precipitation expected during this period. It’s mostly dry with sunshine.
Temperatures vary between day and night, so it’s smart to wear layers. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal for the day. In the evening and morning, a T-shirt, light trousers or skirt, and a light jacket are recommended.
End of July
By the end of July, the average daytime temperature in San Bernardino will be around 36°C, with nights close to 20°C. No precipitation expected, with plenty of sunshine on the horizon.
As it gets cooler in the evening, it’s best to wear layers. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal for the day. In the evening and morning, a T-shirt, light trousers or skirt, and a light jacket are recommended.
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UV index
The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is July a good time to visit San Bernardino?
July is a great month to be in San Bernardino for sunny weather. You’ll get high temperatures and not too much rain this month.
Temperature records for San Bernardino in July
With 47°C, San Bernardino hit the highest temperature in the last 10 years in July 2018. The lowest daytime temperature in this month was 25°C in 2015. The extreme night temperatures ranged from a low of 12°C to a high of 29°C.
Check out the climate of San Bernardino for all months and discover the best travel time
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Daily Temperature in July in San Bernardino
This chart shows the average daily temperatures, both day and night, for each day in July in San Bernardino, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in July in San Bernardino
The chart below shows the average daily precipitation in July for San Bernardino, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for July, you can expect about 1 day of rain in San Bernardino.
Daily UV Index in July in San Bernardino
This chart shows the average daily UV index in July in San Bernardino, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in July in San Bernardino Over the Years
This chart shows the average temperature in July in San Bernardino, measured in degrees Celsius, over the past years.
Total Precipitation in July in San Bernardino Over the Years
This chart shows the average precipitation in July in San Bernardino, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in July for San Bernardino
Click on a specific day in July for detailed info on the typical weather on that day in San Bernardino. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in July in San Bernardino
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Average Weather in San Bernardino by Month
Click on a month below to see detailed weather info for San Bernardino. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of San Bernardino for all months at once
